White Opal
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.5
Specific Gravity
1.98 – 2.5
Refractive Index
1.37 – 1.52
Crystal System
Amorphous
Cleavage
None
Fracture
Conchoidal,Splintery
Color
white
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | White Opal |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | ● |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy White Opal
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About White Opal
白色蛋白石是最常见的宝石蛋白石品种，以白色至淡灰色或奶油色的底色为特征，通常在乳白色背景上呈现出丰富多彩的游彩效应。澳大利亚（南澳大利亚州库伯佩迪和昆士兰州闪电岭附近）是世界最重要的产地，供应全球约95%的宝石级蛋白石。白色蛋白石因其相对充足的产量，是蛋白石中价格最为亲民的类型，深受大众珠宝市场喜爱。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is White Opal?
白色蛋白石是最常见的宝石蛋白石品种，以白色至淡灰色或奶油色的底色为特征，通常在乳白色背景上呈现出丰富多彩的游彩效应。澳大利亚（南澳大利亚州库伯佩迪和昆士兰州闪电岭附近）是世界最重要的产地，供应全球约95%的宝石级蛋白石。白色蛋白石因其相对充足的产量，是蛋白石中价格最为亲民的类型，深受大众珠宝市场喜爱。
What is the hardness of White Opal?
White Opal has a Mohs hardness of 5.5 to 6.5, making it moderate for use in jewelry.
What color is White Opal?
White Opal is primarily White.
How much does White Opal cost?
White Opal falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of White Opal?
White Opal belongs to the Amorphous crystal system.